GPT-5.4 Nano vs gpt-4o-all
| OpenAI GPT-5.4 Nano | OpenAI gpt-4o-all | |
|---|---|---|
| Vendor | OpenAI | OpenAI |
| Context window | 400,000 | — |
| Max output | 128,000 | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | No |
| Input | text, image | — |
| Output | text | — |
| Released | 2026-03-17 | — |
| OpenAI GPT-5.4 Nano | OpenAI gpt-4o-all | |
|---|---|---|
| Vendor | OpenAI | OpenAI |
| Context window | 400,000 | — |
| Max output | 128,000 | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | No |
| Input | text, image | — |
| Output | text | — |
| Released | 2026-03-17 | — |